04/10/2026 updated
100 % available
Full-Stack Developer | React, Next.js, TypeScript, Python | API & Fintech
San Andres Cholula , Puebla, Mexico
Only remote
Mechatronics Engineering DegreeAbout me
Full-stack developer specializing in React, Next.js, TypeScript, and Python. I have experience building fintech platforms, scalable APIs, and modern web applications. I focus on clean architecture, reliable integrations, and delivering production-ready systems.
JavaScriptApplication Programming Interfaces (APIs)Amazon Web ServicesAutomationBankingMobile Application DevelopmentCloud ComputingSoftware QualityComputer ProgrammingDatabasesDevOpsDevelopment TestingWeb DevelopmentFinancesWeb Servers
API Development & Integration
Advanced expertise in API programming, financial infrastructure, and banking integrations with proven experience in backend development and system architecture
Full-Stack Web Development
Comprehensive skills in creating web modules, legacy system modernization, and deployment of complete applications for enrollment, payment, and certification systems
Database Management & Cloud Technologies
Proficient in multiple database systems including SQL, MySQL, PostgreSQL, and cloud platforms like AWS with server management capabilities
Python Programming
Strong programming skills in Python for backend development and automation
JavaScript & Frontend Frameworks
Experience with JavaScript, React Native, Vue.js for frontend development
Testing & Quality Assurance
Knowledge of pytest and testing methodologies for code quality assurance
Version Control & DevOps
Git version control and deployment automation experience
Web Server Technologies
Experience with nginx, IIS, and server configuration
Mobile Development
React Native and mobile application development capabilities
Advanced expertise in API programming, financial infrastructure, and banking integrations with proven experience in backend development and system architecture
Full-Stack Web Development
Comprehensive skills in creating web modules, legacy system modernization, and deployment of complete applications for enrollment, payment, and certification systems
Database Management & Cloud Technologies
Proficient in multiple database systems including SQL, MySQL, PostgreSQL, and cloud platforms like AWS with server management capabilities
Python Programming
Strong programming skills in Python for backend development and automation
JavaScript & Frontend Frameworks
Experience with JavaScript, React Native, Vue.js for frontend development
Testing & Quality Assurance
Knowledge of pytest and testing methodologies for code quality assurance
Version Control & DevOps
Git version control and deployment automation experience
Web Server Technologies
Experience with nginx, IIS, and server configuration
Mobile Development
React Native and mobile application development capabilities
Experience
Professional experience5 - 10 years
Freelancer since2019
Languages
EnglishFluent
Project history
API programming, financial infrastructure, banking integrations communication with key partners. Developed backend API and logic, collaborated with providers for API integrations, created and expanded test coverage, achieved fastest integration with Mastercard in LatAm, created logic for issuing and transacting with virtual and physical, debit and credit cards, architected systems for user incentives, referrals, antifraud, and p2p and external wire transfers
Creation of new web modules, gradual replacement of legacy systems. Deployment of modules for enrollment, payment, registration, certification, and creation of digital degrees. Automation of manual tasks
Programming, idea generation. Updated legacy systems, created new web modules, automated manual tasks and processes